20031804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1907

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 36900708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1861, 2691, 3588, 3722, 5382, 5583, 7444, 10764, 11166, 16749, 22332, 24193, 33498, 42803, 48386, 66996, 72579, 85606, 96772, 128409, 145158, 171212, 217737, 256818, 290316, 385227, 435474, 513636, 556439, 770454, 870948, 1112878, 1540908, 1669317, 2225756, 3338634, 5007951, 6677268, 10015902, 20031804]

約数ペア:

[(1, 20031804), (2, 10015902), (3, 6677268), (4, 5007951), (6, 3338634), (9, 2225756), (12, 1669317), (13, 1540908), (18, 1112878), (23, 870948), (26, 770454), (36, 556439), (39, 513636), (46, 435474), (52, 385227), (69, 290316), (78, 256818), (92, 217737), (117, 171212), (138, 145158), (156, 128409), (207, 96772), (234, 85606), (276, 72579), (299, 66996), (414, 48386), (468, 42803), (598, 33498), (828, 24193), (897, 22332), (1196, 16749), (1794, 11166), (1861, 10764), (2691, 7444), (3588, 5583), (3722, 5382)]